Using all of the ingenuity at his disposal, he shoved toilet paper down the sinkholes and then turned on all the taps.

Portsmouth is the home of Admiral Lord Nelson and others who like doing things with water.
CC David.NikonvsCanon/Flickr

Being socially conscious, he did this late in the evening, so that water would happily pour away all night. Oddly, more than $200,000 worth of damage ensued from his amusement.

Naturally, he pleaded not guilty. This was until the prosecutor, who, having done what so many prosecutors do these days, showed that he had trawled Facebook for the accused's inner musings.

It seems that, though he had publicly protested his innocence, the accused had answered a question on Facebook as to whether he might be guilty. His reply: "Kind of, yeah. I've kept it to myself. A few mates know."

Clearly, these are good mates, the kind that don't rat out their buddies. Unfortunately, perhaps they might have to do a little work on their privacy settings.

The library was shut for five months, and the judge reportedly made it clear that the teen might also be shut away--in jail.